anechoic

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anechoic

 [an-ĕ-ko´ik]
without echoes, such as a room used for hearing tests.

an·e·cho·ic

(an'ĕ-kō'ik),
The property of being echo-free or appearing without echoes on a sonographic image; a cyst filled with clear fluid appears anechoic. See: transonic.
Synonym(s): echo-free
[G. an- priv. + echo + ic]

an·e·cho·ic

(an'ĕ-kō'ik)
The property of appearing echo free on a sonographic image; a clear cyst appears anechoic.
[G. an- priv. + echo + ic]
References in periodicals archive ?
"What Klipsch did was focus on marketing and development," he explains, noting the company created a world-class research facility in Indianapolis where speakers are tested in an echo-free anechoic chamber.
They are soft-textured, echo-free and absorbent - preventing condensation.
This allows you to speak and hear the other person echo-free. Boom microphones can be found at any consumer electronics store such as Best Buy or CompUSA and will cost from $10 to $30.
The SmartAMC also includes advanced audio and modem features including wake-on-ring, audio game enhancement support and full duplex echo-free speakerphone.
Far field noise data measured in an echo-free chamber confirmed that the spheres can reduce noise in a high-temperature flow environment.
The researchers hung their creation from the ceiling of an echo-free chamber, pointed a speaker at it and played a range of sound frequencies.
Two-dimensional transthoracic echocardiography showed normal-sized cardiac chambers and a large echo-free space behind the right atrium (Fig.
(2) presented a case of membrane-like structure which seems to be the roof of LAA cavity and the echo-free space below might be localized pericardial fluid within the pericardial sinus.